Specification: Item Type: Wire Microphone_x000D_Material: ABS+Al-Zn alloy_x000D_Carrier Frequency: FM100HZ-10000HZ_x000D_Audio Output: Independent 0-400mV, Mixing 0-200mV_x000D_Microphone Battery Specification: 1xAA Battery (Not Included)_x000D_Receiver Battery Specification: 1xAA Battery (Not Included)_x000D_Receiver:_x000D_1. Operating Voltage: 1.5V_x000D_2. Power Consumption: 0.5W_x000D_3. Receiving Sensitivity: 30dB_x000D_Hand-Held Microphone:_x000D_1. Transmitting Power: 15mW_x000D_2. Modulation Method: FM_x000D_3. Modulation Degree: 25kHz_x000D_4. Working Voltage: 1.5V Features: 1Rugged and durable, aluminum?zinc alloy pipe body, anti?collision steel mesh. 2Unique design, advanced dynamic microphone core, heart?shaped pointing. 3The sound quality is clear, the human voice is realistically reproduced, and the high, middle and bass are balanced. 4Multi?purpose microphone, handheld wired and wireless two?in?one dynamic microphone. 5Wide range of use, it is suitable for karaoke, Bluetooth speakers and other places. PackageList: 1 x Microphone(Battery Not Included) 1 x Receiver(Battery Not Included) 1 x Transmitter 1 x 6.5mm Plug Cable 1 x Manual